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CNN —  

President Obama says he’s an avid “Game of Thrones” viewer, but even he can’t name all of the characters who have died on the hit HBO show.

In a new public service announcement produced by Buzzfeed to promote voting, Obama encourages Americans to head to the polls by showing them five things that are more difficult to do than registering to vote. “All right, you’ve got Ned, Robb, Khal Drogo, Jon – but maybe that doesn’t really count,” Obama said. “And then Hodor. That was sad.”

The president’s other challenging tasks include stacking Cheerios, playing the Hasbro surgical game “Operation,” making a friendship bracelet and untangling headphones.

Related Link: ‘Game of Thrones’ season finale sets stage for epic march toward finish

David Benioff and Dan Weiss, showrunners for “Game of Thrones,” recently revealed that President Obama eagerly awaits the show each week.

“I think, for both of us, finding out the President wanted advanced copies of the episodes was an ‘ah-ha’ moment,” Weiss said during an HBO’s Facebook Live stream. “That was a very strange moment.”